1. Explain the population explosion in sub-Saharan Africa. Why is most of the growth projected to be in this region and not in India or China? Be sure to use vocabulary terms (natural increase rate, fertility rate, doubling time) in your response.

2. Why do the two groups, the United Nations and the IIASA, differ on their projections for the growth of the world’s population, and how much uncertainty exists?

The rocky mountain system stretching from canada to new mexico is a string of mountains running along the wester united states. what factors would mostly cause this arrangement of mountains? intense pressure undemeath a tectonie plate that could not breakthrough the rock subduction of a tectonic plate, which pushed up a neighboring plate into mountains two plates located at a diverging boundary with a third plate rising between them two plates that melted into molten rock, which later cooled into the shape of mountains

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles

Which statement about this figure is false